**Fano factor** — In probability theory and statistics, the Fano factor [Fano, 1947] , like the coefficient of variation, is a measure of the dispersion of a probability distribution. Fano factor is defined as :F=frac{sigma W^2}{mu W}where sigma W^2 is the… … Wikipedia

**Noisy-channel coding theorem** — In information theory, the noisy channel coding theorem (sometimes Shannon s theorem), establishes that for any given degree of noise contamination of a communication channel, it is possible to communicate discrete data (digital information)… … Wikipedia

**Compression artifact** — Original image, with good color grade Loss of edge clarity and tone fuzziness in heavy JPEG compression A compression ar … Wikipedia

**MPEG-1** — Moving Picture Experts Group Phase 1 (MPEG 1) Filename extension .mpg, .mpeg, .mp1, .mp2, .mp3, .m1v, .m1a, .m2a, .mpa, .mpv Internet media type audio/mpeg, video/mpeg Developed by ISO, IEC Type of format audio, vid … Wikipedia

**Information theory** — Not to be confused with Information science. Information theory is a branch of applied mathematics and electrical engineering involving the quantification of information. Information theory was developed by Claude E. Shannon to find fundamental… … Wikipedia

**Code-excited linear prediction** — (CELP) is a speech coding algorithm originally proposed by M.R. Schroeder and B.S. Atal in 1985. At the time, it provided significantly better quality than existing low bit rate algorithms, such as residual excited linear prediction and linear… … Wikipedia

**μ-law algorithm** — Companding of μ law and A law algorithms The µ law algorithm (often u law, ulaw, or mu law) is a companding algorithm, primarily used in the digital telecommunication systems of North America and Japan. Companding algorithms reduce the dynamic… … Wikipedia

**Index of dispersion** — In probability theory and statistics, the index of dispersion,[1] dispersion index, coefficient of dispersion, or variance to mean ratio (VMR), like the coefficient of variation, is a normalized measure of the dispersion of a probability… … Wikipedia

**Claude Shannon** — Claude Elwood Shannon (1916 2001) Born April … Wikipedia

**Nyquist–Shannon sampling theorem** — Fig.1: Hypothetical spectrum of a bandlimited signal as a function of frequency The Nyquist–Shannon sampling theorem, after Harry Nyquist and Claude Shannon, is a fundamental result in the field of information theory, in particular… … Wikipedia